CVE-2021-23033

Published: Sep 14, 2021Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

On BIG-IP Advanced WAF and BIG-IP ASM version 16.x before 16.1.0x, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x, when a WebSocket profile is configured on a virtual server, undisclosed requests can cause bd to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected (10)

Products: F5: Big Ip Advanced Web Application Firewall, Big Ip Application Security Manager

2 products

Big Ip Advanced Web Application Firewall

Big Ip Application Security Manager

Configuration A

10 vulnerable

Vulnerable Software	Affected Versions
F5 Big Ip Advanced Web Application Firewall	12.1.0 ≤ version ≤ 12.1.6
F5 Big Ip Advanced Web Application Firewall	13.1.0 ≤ version < 13.1.4.1
F5 Big Ip Advanced Web Application Firewall	14.1.0 ≤ version < 14.1.4.3
F5 Big Ip Advanced Web Application Firewall	15.1.0 ≤ version < 15.1.3.1
F5 Big Ip Advanced Web Application Firewall	16.0.0 ≤ version < 16.1.0
F5 Big Ip Application Security Manager	12.1.0 ≤ version ≤ 12.1.6
F5 Big Ip Application Security Manager	13.1.0 ≤ version < 13.1.4.1
F5 Big Ip Application Security Manager	14.1.0 ≤ version < 14.1.4.3
F5 Big Ip Application Security Manager	15.1.0 ≤ version < 15.1.3.1
F5 Big Ip Application Security Manager	16.0.0 ≤ version < 16.1.0

Related CWEs

CWE-20

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (2)

https://support.f5.com/csp/article/K05314769

Source: f5sirt@f5.com

Vendor Advisory

https://support.f5.com/csp/article/K05314769

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.